Which of the following molecules is a product of the Krebs Cycle?Group of answer choicesGlucoseOxygenNADHNAD+
Question
Which of the following molecules is a product of the Krebs Cycle?
- Glucose
- Oxygen
- NADH
- NAD+
Solution
The product of the Krebs Cycle from the given options is NADH.
Here's a step-by-step explanation:
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The Krebs Cycle, also known as the citric acid cycle or the tricarboxylic acid cycle, is a series of chemical reactions used by all aerobic organisms to generate energy.
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This cycle involves the oxidation of acetyl-CoA into carbon dioxide, and the transfer of electrons to NAD+ and FAD, molecules that are responsible for carrying electrons.
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In the process, NAD+ is reduced to form NADH. This means that NADH is a direct product of the Krebs Cycle.
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Glucose is not a product but a reactant that is initially broken down in glycolysis and further processed in the Krebs Cycle. Oxygen is also not a product of the Krebs Cycle; it is used in the electron transport chain, which follows the Krebs Cycle in cellular respiration. NAD+ is a reactant in the Krebs Cycle, not a product. It gets converted into NADH during the cycle.
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